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Trigonometry Examples

Popular Problems

Simplify 2sin(x)cos(x)-cos(x)

$2 \sin (x) \cos (x) - \cos (x)$

Step 1

Apply the sine double-angle identity.

$\sin (2 x) - \cos (x)$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

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